Update CMake code to 3.18 minimum version (#2080)

* Update CMake code to 3.18 minimum version

* Updated release note

5 files changed, 18 insertions, 10 deletions

diff --git a/release_docs/INSTALL_CMake.txt b/release_docs/INSTALL_CMake.txt
index e1ae010..9102062 100644
--- a/release_docs/INSTALL_CMake.txt
+++ b/release_docs/INSTALL_CMake.txt
@@ -32,7 +32,7 @@ CMake version
    1. We suggest you obtain the latest CMake from the Kitware web site.
       The HDF5 1.13."X" product requires a minimum CMake version 3.12,
       where "X" is the current HDF5 release version. If you are using
-      VS2019, the minimum version is 3.15.
+      VS2022, the minimum version is 3.21.
 
 Note:
    To change the install prefix from the platform defaults initialize
@@ -276,7 +276,7 @@ IV. Further considerations
 ========================================================================
 
    1. We suggest you obtain the latest CMake for windows from the Kitware
-      web site. The HDF5 1.13."X" product requires a minimum CMake version 3.12.
+      web site. The HDF5 1.13."X" product requires a minimum CMake version 3.18.
 
    2. If you plan to use Zlib or Szip:
       A. Download the binary packages and install them in a central location.
diff --git a/release_docs/README_HPC b/release_docs/README_HPC
index 6b31ce6..02034b4 100644
--- a/release_docs/README_HPC
+++ b/release_docs/README_HPC
@@ -22,7 +22,7 @@ I. Prerequisites
        from HDF5 source in a 'home' directory typically results in test
        failures and should be avoided.
 
-    2. Load modules for desired compilers, module for cmake version 3.12 or greater,
+    2. Load modules for desired compilers, module for cmake version 3.18 or greater,
        and set any needed environment variables for compilers (i.e., CC, FC, CXX).
        Unload any problematic modules (i.e., craype-hugepages2M).
 
@@ -153,11 +153,11 @@ V. Manual alternatives
 If using ctest is undesirable, one can create a build directory and run the cmake
 configure command, for example
 
-"/projects/Mutrino/hpcsoft/cle6.0/common/cmake/3.12/bin/cmake"
--C "<working directory>/hdf5-1.13.0/config/cmake/cacheinit.cmake"
+"/projects/Mutrino/hpcsoft/cle6.0/common/cmake/3.18/bin/cmake"
+-C "<working directory>/hdf5-1.13.3/config/cmake/cacheinit.cmake"
 -DCMAKE_BUILD_TYPE:STRING=Release -DHDF5_BUILD_FORTRAN:BOOL=ON
 -DHDF5_BUILD_JAVA:BOOL=OFF
--DCMAKE_INSTALL_PREFIX:PATH=<working directory>/HDF_Group/HDF5/1.13.0
+-DCMAKE_INSTALL_PREFIX:PATH=<working directory>/HDF_Group/HDF5/1.13.3
 -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF
 -DHDF5_ENABLE_PARALLEL:BOOL=ON -DHDF5_BUILD_CPP_LIB:BOOL=OFF
 -DHDF5_BUILD_JAVA:BOOL=OFF -DHDF5_ENABLE_THREADSAFE:BOOL=OFF
@@ -168,7 +168,7 @@ configure command, for example
 -DLOCAL_BATCH_SCRIPT_NAME:STRING=knl_ctestS.sl
 -DLOCAL_BATCH_SCRIPT_PARALLEL_NAME:STRING=knl_ctestP.sl -DSITE:STRING=mutrino
 -DBUILDNAME:STRING=par-knl_GCC493-SHARED-Linux-4.4.156-94.61.1.16335.0.PTF.1107299-default-x86_64
-"-GUnix Makefiles" "" "<working directory>/hdf5-1.13.0"
+"-GUnix Makefiles" "" "<working directory>/hdf5-1.13.3"
 
 followed by make and batch jobs to run tests.
 
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index aa9d444..ded569b 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -47,6 +47,14 @@ New Features
 
     Configuration:
     -------------
+    - Update CMake minimum version to 3.18
+
+      Updated CMake minimum version from 3.12 to 3.18 and removed version checks
+      which were added for Windows features not yet available in version 3.12. Also
+      removed configure macros and code checks for old style code compile checks.
+
+      (ADB - 2022/08/29, HDFFV-11329)
+
     -
 
 
diff --git a/release_docs/USING_CMake_Examples.txt b/release_docs/USING_CMake_Examples.txt
index 920705b..853fa4f 100644
--- a/release_docs/USING_CMake_Examples.txt
+++ b/release_docs/USING_CMake_Examples.txt
@@ -22,7 +22,7 @@ I. Preconditions
 
    1. We suggest you obtain the latest CMake for your platform from the Kitware
       web site. The HDF5 1.13.x product requires a minimum CMake version
-      of 3.12. If you are using VS2019, the minimum version is 3.15.
+      of 3.18. If you are using VS2022, the minimum version is 3.21.
 
    2. You have installed the HDF5 library built with CMake, by executing
       the HDF Install Utility (the *.msi file in the binary package for
diff --git a/release_docs/USING_HDF5_CMake.txt b/release_docs/USING_HDF5_CMake.txt
index abe1906..e8e50df 100644
--- a/release_docs/USING_HDF5_CMake.txt
+++ b/release_docs/USING_HDF5_CMake.txt
@@ -39,7 +39,7 @@ I. Preconditions
 
    1. We suggest you obtain the latest CMake for your platform from the Kitware
       web site. The HDF5 1.13.x product requires a minimum CMake version
-      of 3.12. If you are using VS2019, the minimum version is 3.15.
+      of 3.18. If you are using VS2022, the minimum version is 3.21.
 
    2. You have installed the HDF5 library built with CMake, by executing
       the HDF Install Utility (the *.msi file in the binary package for
@@ -201,7 +201,7 @@ Given the preconditions in section I, create a CMakeLists.txt file at the
 source root. Include the following text in the file:
 
 ##########################################################
-cmake_minimum_required (VERSION 3.12)
+cmake_minimum_required (VERSION 3.18)
 project (HDF5MyApp C CXX)
 
 set (LIB_TYPE STATIC) # or SHARED